Specification-2225 Service
Table
1-1
(cont)
Characteristics
Trigger Level Range
NORM Mode
EXT Source
EXTI 1 0 Source
Variable
Holdoff Range
LF REJ Lower 3 dB point
HF REJ 3 dB point
Performance Requirements
Level may be set to any point of trace that can be
displayed.
At least 21.2 V, 2.4 V p-p.
At least
21 2 V, 24 V p-p.
Increases sweep
holdoff time by at least a factor
of
8
at maximum holdoff?
30 kHz ?25%.a
30 kHz 225%.a
HORIZONTAL DEFLECTION SYSTEM
Sweep accuracy applies over the center eight divisions.
Exclude the first 25 ns of the sweep for magnified sweep
speeds and anything beyond the 100th magnified division.
Sweep Rates
Calibrated Range
Sweep
Accuracy
SECIDIV Variable Range
0.5 s per division to 0.05
~s per division in a 1-2-5
sequence of 22 steps. The
XI0 magnifier extends
maximum sweep speed to 5 ns per
di~ision.~
Continuously variable and uncalibrated between calibrated
step settings of the
SECIDIV switch. Decreases calibrated
sweep speeds by at least a factor of 2.5.
Unmagnified
X1
Magnified
X5 XI0 X50
Sweep Linearity
POSITION Control Range
Unmasnified
XI
Start of sweep to 10th division in XI, to 50th division
in X5, to
100th in X10, and to 500 division in X50 will
position past the center vertical graticule line.
Registration between Magnified and
Unmagnified traces
a
Performance requirement not checked in manual.
Magnified
X5 XI 0 X50
0.2 division or less (measured when switching from Magnified to
Unmagnified), aligned to center vertical graticule
1ine.a
Trace Shift between ALT and MAG
Modes
Scans
by
ARTEK
MEDIA
=>
Less than 1 divisiona
REV
APR
1990
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